23485 ÷ 8 = 2935 R5
No problem, we've got 23485 and 8 for the division.

Step 1:
8 goes into 2 0 times with a remainder of 2.
Write down 0 as next digit of of the result. 
Result so far: 0
Subtract 0 from 2 to get 2.
Bring next digit (3) of the dividend behind the 2 and repeat the process: 23 / 8

Step 2:
8 goes into 23 2 times with a remainder of 7.
Write down 2 as next digit of of the result. 
Result so far: 2
Subtract 16 from 23 to get 7.
Bring next digit (4) of the dividend behind the 7 and repeat the process: 74 / 8

Step 3:
8 goes into 74 9 times with a remainder of 2.
Write down 9 as next digit of of the result. 
Result so far: 29
Subtract 72 from 74 to get 2.
Bring next digit (8) of the dividend behind the 2 and repeat the process: 28 / 8

Step 4:
8 goes into 28 3 times with a remainder of 4.
Write down 3 as next digit of of the result. 
Result so far: 293
Subtract 24 from 28 to get 4.
Bring next digit (5) of the dividend behind the 4 and repeat the process: 45 / 8

Step 5:
8 goes into 45 5 times with a remainder of 5.
Write down 5 as next digit of of the result. 
Result so far: 2935
Subtract 40 from 45 to get 5.

The final result is 2935 with a remainder of 5.